Copilot review r4. The r3 title branch was the one modified behavior with
no test of its own — the existing ServerListReloadError cases cover the
pagination, add, and rename paths only, so a regression back to "Failed to
save settings" would have gone green.
`useSettingsDraft` is mocked in this suite, so the test invokes the
`onError` App handed it and asserts both titles: the reload-failure one,
and that a genuine write failure still reads as a failure. Forcing the
branch off fails it.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UL9retfvAXRgvi6EWk4SY4
Signed-off-by: cliffhall <cliff@futurescale.com>
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